IT turns out there’s more to your bum than meets the eye – and we’re not just talking about those backsides hitting the headlines. Whether it’s Kim Kardashian’s ‘internet-breaking’ derrière ...

According to that chart, 78 people from the bureau ... allowed an athlete to compete as a woman even with testosterone levels typical of many men. U.S. Rowing’s limit for college athletes ...

When I was 71, I wrote about a poignant moment for women: the moment the wolf whistles stop. Ten years on, my perspective has shifted again. Here is my chart of my slide into invisibility.

We sought to examine the association of various endogenous sex hormones, including testosterone (T), and SHBG ... size of 1,505 participants (941 to 1,003 men; 408 to 468 postmenopausal women). Figure ...

Medical experts reveal the often-missed signals of testosterone deficiency in men, from subtle mood changes to unexplained ...

A single gene in the shorebird species known as ruffs controls the levels of testosterone in males, and this in turn affects ...

Study found that there was no significant positive relationship between daily changes in testosterone levels and daily changes in sexual desire in men. Testosterone is often assumed to be the ...

Additionally, at the 24-hour mark, testosterone levels were 15-fold higher in male mice than in females. In humans, male testosterone levels are normally more than 10-fold higher than female levels.

A new study published in Proceedings of the Royal Society B challenges the widely held belief that fluctuations in ...